Implement Algorithms Using Fortran Code

Implement Fortran code in custom Simulink^®blocks

Implement Fortran code in your Simulink blocks.

Blocks

S-Function	Include S-function in model
S-Function Builder	Integrate C or C++ code to create S-functions

Create Level-2 Fortran S-Functions
Describes a hybrid C/Fortran approach to writing an S-function that enables creation of more capable blocks.
Port Legacy Code
How to wrap a C MEX S-function around existing Fortran code.